I'm in the Treacherous World to Upgrade My Repair Profession

Yu Ji traveled to a strange and dangerous world and became a prisoner in the Death Valley. In order to survive, he stood on the moral high ground, upheld the [Moral Seal], and embarked on a magnificent journey of improvement and cultivation. Strengthen the body, condense the true breath, turn the void into reality, extend life to heaven, reconstruct the soul... Let's see how he counterattacks step by step with his mortal body, overcoming thorns and thorns, destroying demons and demons, and walking the path for heaven, until he finds boundless immortality, stands proudly on the other side of cultivation, and becomes the only one in all worlds.